main
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Last change
on this file was ea777aa, checked in by Alex Wilton <awilton@…>, 3 years ago |
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Moved examples, include, build_default.properties, common.xml, and README out from dev.civl.com into the root of the repo.
git-svn-id: svn://vsl.cis.udel.edu/civl/trunk@5704 fb995dde-84ed-4084-dfe6-e5aef3e2452c
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Property mode
set to
100644
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File size:
516 bytes
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| 1 | #include<mpi.h>
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| 2 | #include<assert.h>
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| 3 | #include<civlc.cvh>
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| 4 | #include<stdio.h>
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| 5 |
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| 6 | $input int x, y;
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| 7 | $input int _mpi_nprocs=2;
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| 8 | //$assume (x > y);
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| 9 |
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| 10 | int main() {
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| 11 | int rank, buf;
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| 12 | int data[2];
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| 13 |
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| 14 | MPI_Init(NULL, NULL);
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| 15 | MPI_Comm_rank(MPI_COMM_WORLD, &rank);
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| 16 | if(!rank)
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| 17 | data[0] = x;
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| 18 | else
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| 19 | data[0] = y;
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| 20 | data[1] = rank;
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| 21 | MPI_Allreduce(data, data, 1, MPI_2INT, MPI_MINLOC, MPI_COMM_WORLD);
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| 22 | printf("data[1] = %d\n", data[1]);
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| 23 | MPI_Bcast(&buf, 1, MPI_INT, data[1], MPI_COMM_WORLD);
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| 24 | MPI_Finalize();
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| 25 | return 0;
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| 26 | }
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